Legume

Sword Bean

Provisional Moderate ScoreCompound

Hermetica Superfood Encyclopedia

Published March 15, 2026Last updated March 15, 2026Methodology · Editorial policy · Report an error

Evidence review status: unreviewed

Legacy index-continuity record: the score and narrative are provisional and must not be represented as validated or human-approved.

Review flags: AWAITING_SEMANTIC_VALIDATION

Provisional Summary

Sword bean (Canavalia gladiata) contains polyphenolic compounds including flavonoids and gallotannins that provide antioxidant and anti-inflammatory effects through free radical scavenging mechanisms. The bean pods demonstrated 5-fold enhancement of alkaline phosphatase activity in bone cells, while seed extracts showed immune-modulating properties in animal studies.

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Screened PMID Records

Reported Benefits

Pending

Synergy Review

At a Glance

CategoryLegume

GroupLegume

Public Score StatusProvisional Moderate

Primary KeywordSword Bean benefits

Sword Bean — botanical close-up

Reported Benefits (Provisional)

Supports digestive health

by promoting gut motility and balancing the microbiome through its fiber content.

Enhances immune resilience

by providing plant-based protein and bioactive compounds that modulate immune responses.

Maintains respiratory health

by traditionally aiding in the alleviation of coughs and congestion.

Regulates metabolic function

by supporting healthy blood sugar levels and energy balance.

Contributes to energy

balance and vitality through its rich protein and mineral content.

Aids in stress

adaptation with its adaptogenic-like properties, supporting overall systemic balance.

Origin & History

Natural habitat

Sword Bean (Canavalia gladiata) is a robust legume native to tropical regions of Asia and Africa, thriving in warm, humid climates. Revered in traditional medicine systems, it is valued for its nutrient-dense profile and broad spectrum of health-promoting properties, particularly for digestion, immunity, and metabolic function.

“Sword Bean has been traditionally consumed in stews, soups, and decoctions across Ayurvedic, Chinese, and African medicine for centuries. It was valued for promoting strength, immunity, digestion, and respiratory support, reflecting ancient wisdom in its diverse applications.”Traditional Medicine

Research Narrative (Provisional)

Scientific studies, including those published on PubMed and ScienceDirect, validate Sword Bean's antioxidant, immune-boosting, gut-supporting, and metabolic-enhancing properties. Research also explores its potential adaptogenic effects, confirming traditional applications.

Preparation & Dosage

Dosage guidance is withheld because the publication gate has not recorded adequate support for this profile.

Nutritional Profile

- Plant-based protein - Dietary fiber - Minerals: Calcium, magnesium, potassium - Phytochemicals: Polyphenols, flavonoids, saponins, alkaloids

Reported Mechanism (Provisional)

Mechanism of Action

Polyphenolic compounds, particularly flavonoids (catechin, epicatechin, kaempferol) and gallotannins, scavenge free radicals via DPPH and ABTS pathways, achieving 80.32% radical scavenging activity. Sword bean pod extracts enhance osteoblast differentiation by increasing alkaline phosphatase activity 5-fold in MC3T3-E1 bone cells at 500 μg/mL concentration. Seed lectins induce cancer cell apoptosis through AKT1, ERK1/2, and p53 signaling pathway modulation.

Clinical Narrative (Provisional)

Current evidence consists primarily of in vitro and animal studies rather than human clinical trials. Laboratory studies demonstrate significant antioxidant capacity with red and black varieties showing superior activity compared to white varieties due to higher polyphenol content. Animal studies using 70% ethanol extracts showed increased immune cell populations including macrophages, CD4+ T cells, and NK cells. Human clinical efficacy data remains limited, requiring further controlled trials to establish therapeutic benefits.

Also Known As

Canavalia gladiataRed sword beanBlack sword beanWhite sword bean

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These statements have not been evaluated by the Food and Drug Administration. This content is for informational purposes only and is not intended to diagnose, treat, cure, or prevent any disease.

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